Home / 31,727.08-47,538.78-20,002.60

Finding the Fourth Proportional to 31,727.08, 47,538.78 and 20,002.60

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Solution

The fourth proportional to 31,727.08, 47,538.78 and 20,002.60 is: 29,971.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,727.08 : 47,538.78 = 20,002.60 : x
  2. Step 2: Convert to fraction form
    31,727.08/47,538.78 = 20,002.60/x
  3. Step 3: Cross multiply
    31,727.08x = 47,538.78 × 20,002.60
  4. Step 4: Simplify right side
    31,727.08x = 950,899,200.83
  5. Step 5: Solve for x
    x = 950,899,200.83/31,727.08
  6. Step 6: Final answer
    x = 29,971.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.